hematite in a sentence

Examples

1. :Steel comes from an ore called hematite which is in some rocks.
2. One of the skulls had teeth made of hematite.
3. Localized concentrations of hematite and olivine have been found.
4. Brown hematite was noted in the area of Tetuan.
5. The leaders of the project stopped short of confirming that hematite had been found.
6. Scientists chose the trench site because earlier observations revealed it is rich in hematite.
7. This is a chert containing oxidized iron in the form of hematite and goethite.
8. Other minerals known to exhibit framboidal structures include magnetite, hematite, and greigite.
9. The red rock member is hematite stained chert.
10. This allowed it to detect the presence of quartz, olivine, and hematite.